设ex-ey=siny,求y'
设ex-ey=siny,求y'
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相关考题:
单选题若∂2u/∂x∂y=1,且当x=0时,u=siny,当y=0时,u=sinx,则u(x,y)=( )。Axy+sinx+sinyB-xy+sinx+sinyCxy-sinx+sinyDxy+sinx-siny
单选题若∂2u/∂x∂y=1,且当x=0时,u=siny,当y=0时,u=sinx,则u(x,y)=( )。Ax+sinx+sinyBy+sinx+sinyCxy+sinx+sinyDxy+xsinx+siny
填空题若∂2u/∂x∂y=1,且当x=0时,u=siny,当y=0时,u=sinx,则u(x,y)=____。